FPM-300/FLS-300/FOT-300
6
3 Getting Started
Turning the Unit On and Off
When you turn off the FPM-300 or the FOT-300, it saves the current wavelength, unit
and reference power.
Note:
Offset nulling values are always returned to factory settings.
To turn on the unit:
Press
. The unit displays
EXFO Inc.
for a few seconds. You may use it
immediately under normal conditions.
To turn off the unit:
From normal operating mode (that is, not FAV or PREF), hold down
a few
seconds.
I
MPORTANT
If you remove batteries (and the AC adapter is unplugged), the unit
will turn off
without saving the above values
.
If batteries are low (and the AC adapter is unplugged), the unit will
save the above values and turn off.
AC adapter
plugged in
Auto-off activated
Batteries in use
(with level)
Measured power/loss (FPM/FOT)
Active source wavelength (FLS)
Source wavelength (FOT)
Power meter wavelength or
reference power (FPM/FOT)
Left port’s source
modulation
(FLS/FOT)
Right port’s source modulation (FLS)
Detected modulation (FPM/FOT)
Display
Turns unit on/off
Controls auto-off
Exits special modes
PRESS: Selects
wavelength
from FAV list
HOLD: Accesses
FAV mode
Switches between
measurement units
PRESS: Displays dB units
HOLD: Sets input power as
reference power
PRESS: Switches between
modulation values
HOLD: Accesses P_REF mode
PRESS: Activates next source
HOLD: Deactivates current source
FLS-300
FOT-300
FPM-300
FOT-300
Keypad